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Antigravity Agent c24165b8bc refactor(topics): 멀티 에이전트용 지식 재편 — _Common(공통 기본기) + Domain_* 구조

에이전트 8종(대화형/프로그래머 C·S/디자이너/설계자/기획자/QA/PD/PM)에게
[공통 기본 능력 + 롤별 Specialty] 2층으로 지식을 주입하기 위한 재분류.
문서 내용·포맷은 무수정, 폴더 이동만 (6,372개 문서 수 보존 확인).

- Topic_Programming → Domain_Programming (내부 구조 보존)
- Topic_Graphic → Domain_Design
- Topic_Business → Domain_Product
- Topic_General → Domain_General
- _Common 신설: Math(구 Topic_Math_Specialty), Reasoning(구 General/From_Thinking & Reasoning),
  Reasoning_Creativity(구 General/From_창의성), Communication(Poetic_Blog_Writing + From_writing)
- 타 도메인의 From_* 폴더는 유지 (출처 표기일 뿐, 이미 도메인에 맞게 분류된 문서)
- 빈 폴더 정리 (memory/procedures)
- 에이전트→폴더 매핑은 workspace의 .astra/agent-knowledge-map.json (9개 에이전트)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

2026-07-11 11:05:56 +09:00

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title

SQL Not

🎯 한 줄 통찰 (One-line insight)

The NOT operator reverses a WHERE condition's truth value, and combines with LIKE, BETWEEN, IN, IS NULL, and comparison operators to express exclusion. [S1]

🧠 핵심 개념 (Core concepts)

NOT operator — returns records that do NOT match the specified criteria, reversing a condition from true to false and vice versa. [S1]
Syntax — SELECT ... FROM table_name WHERE NOT condition;. [S1]
Common NOT combinations — NOT LIKE, NOT BETWEEN, NOT IN, IS NOT NULL, NOT EXISTS. [S1]
NOT with comparisons — "not greater than" and "not less than" are expressed as WHERE NOT column > value / WHERE NOT column < value, rather than dedicated operators. [S1]

🧩 추출된 패턴 (Extracted patterns)

Negate-by-wrapping — rather than a distinct exclusion operator per case, SQL wraps NOT around an existing predicate (=, LIKE, BETWEEN, IN, comparison), giving a single uniform negation mechanism. [S1]

📖 세부 내용 (Details)

Basic negated equality: SELECT * FROM Customers WHERE NOT Country = 'Spain';. [S1]
NOT LIKE: WHERE CustomerName NOT LIKE 'A%'; excludes names starting with "A". [S1]
NOT BETWEEN: WHERE CustomerID NOT BETWEEN 10 AND 60; selects rows outside the inclusive range. [S1]
NOT IN: WHERE City NOT IN ('Paris', 'London'); excludes rows matching any listed value. [S1]
NOT with comparison: WHERE NOT CustomerID > 50; (not greater than) and WHERE NOT CustomerId < 50; (not less than). [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

소스에서 모순되는 정보는 발견되지 않음.

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — NOT은 LIKE/BETWEEN/IN 챕터 각각에서 반대 조건을 표현하는 공통 도구로 재사용된다. [S1]

💻 코드 패턴 (Code patterns)

Basic NOT (SQL):

SELECT * FROM Customers
WHERE NOT Country = 'Spain';

NOT combined with IN (SQL):

SELECT * FROM Customers
WHERE City NOT IN ('Paris', 'London');

✅ 검증 상태 및 신뢰도

상태: draft
검증 단계: conceptual
출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
신뢰 점수: 0.90
중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

상위/루트: SQL Tutorial
관련 개념: SQL Where, SQL And, SQL Or, SQL Like, SQL Between, SQL In
참조 맥락: WHERE 절 조건을 반전시켜야 할 때 항상 재사용되는 범용 부정 연산자.

📚 출처 (Sources)

[S1] W3Schools — SQL NOT Operator — https://www.w3schools.com/sql/sql_not.asp

📝 변경 이력 (Change history)

2026-07-04: Initial draft synthesized from the W3Schools "SQL NOT Operator" page (Astra wiki-curation, P-Reinforce v3.1 format).

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